Windows-Server-2003/shell/ext/gina/privilegeenable.h

70 lines
2.7 KiB
C++

// --------------------------------------------------------------------------
// Module Name: PrivilegeEnable.h
//
// Copyright (c) 1999-2000, Microsoft Corporation
//
// Classes that handle state preservation, changing and restoration.
//
// History: 1999-08-18 vtan created
// 1999-11-16 vtan separate file
// 2000-02-01 vtan moved from Neptune to Whistler
// --------------------------------------------------------------------------
#ifndef _PrivilegeEnable_
#define _PrivilegeEnable_
// --------------------------------------------------------------------------
// CThreadToken
//
// Purpose: This class gets the current thread's token. If the thread is
// not impersonating it gets the current process' token.
//
// History: 1999-08-18 vtan created
// 2000-02-01 vtan moved from Neptune to Whistler
// --------------------------------------------------------------------------
class CThreadToken
{
private:
CThreadToken (void);
CThreadToken (const CThreadToken& copyObject);
bool operator == (const CThreadToken& compareObject) const;
const CThreadToken& operator = (const CThreadToken& assignObject);
public:
CThreadToken (DWORD dwDesiredAccess);
~CThreadToken (void);
operator HANDLE (void) const;
private:
HANDLE _hToken;
};
// --------------------------------------------------------------------------
// CPrivilegeEnable
//
// Purpose: This class enables a privilege for the duration of its scope.
// The privilege is restored to its original state on
// destruction.
//
// History: 1999-08-18 vtan created
// 2000-02-01 vtan moved from Neptune to Whistler
// --------------------------------------------------------------------------
class CPrivilegeEnable
{
private:
CPrivilegeEnable (void);
CPrivilegeEnable (const CPrivilegeEnable& copyObject);
const CPrivilegeEnable& operator = (const CPrivilegeEnable& assignObject);
public:
CPrivilegeEnable (const TCHAR *pszName);
~CPrivilegeEnable (void);
private:
bool _fSet;
CThreadToken _hToken;
TOKEN_PRIVILEGES _oldPrivilege;
};
#endif /* _PrivilegeEnable_ */